The function .
(a) Expand .
(b) Find .
Practice IB Mathematics Analysis and Approaches (AA) Topic SL 5.3—differentiating Polynomials, n E Z with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for SL 5.3—differentiating Polynomials, n E Z and mirrors Paper 1, 2, 3 style where relevant.
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The function .
(a) Expand .
(b) Find .
Consider the function , where and are constants. The graph of has a horizontal tangent at , and the point lies on the graph.
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(e) The curve lies above the -axis for . The region is bounded by the graph of , the -axis, and the lines and . Find the volume of the solid formed by rotating about the -axis.
(e) Hence, find this maximum volume, giving your answer in the form , where .
(d) Find the coordinates of the points where the tangent is horizontal.
Consider the function , where and . The graph of has a horizontal tangent at , and passes through the point .
(a) Find .
(b) Show that and .
(c) Show that has a local minimum at .
(d) Find the exact area under the curve from to .
Consider the function , where is in radians.
(a) Differentiate .
(c) Classify the critical points found in Part 2 as local maxima, minima, or inflection points.
Consider a cylinder of radius and height . A smaller cylinder of radius is removed from the centre to form a hollow cylinder. This is shown in the following diagram. All lengths are measured in centimetres. The total surface area of the hollow cylinder, in cm, is given by . The volume of the hollow cylinder, in cm, is given by .
(a) Show that .
(b) The total surface area of the hollow cylinder is cm. Show that .
(c) Find an expression for .
(d) The hollow cylinder has its maximum volume when , where . Find the value of .
(c) the equation of the tangent to at .
(b) the critical points of in the interval .